Troubleshooting - Yamaha MBK XMAX 2014 Service Manual

EAS27290

TROUBLESHOOTING

• Any of the following fail to light: turn signal lights, brake lights, warning light or indicator lights.
• The horn fails to sound.
• The fuel meter fails to operate.
• The coolant temperature meter fails to operate.
• The speedometer fails to operate.
• The tachometer fails to operate.
• The air temperature meter fails to operate.
TIP
• Before troubleshooting, remove the following part(s):
1. Storage box
2. Leg shield
3. Front cowling (for YP250RA)
1. Check the fuses.
(Main, signaling system, ignition,
ECU, turn signal/hazard and ABS
ECU fuse (for YP250RA))
Refer to "CHECKING THE FUS-
ES" on page 8-135.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-136.
OK ↓
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 8-131.
OK ↓
4. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM (for
YP250R)" on page 8-23 and "CIR-
CUIT DIAGRAM (for YP250RA)" on
page 8-25.
OK ↓
Check the condition of each of the sig-
naling system circuits. Refer to
"Checking the signaling system".
NG →
Replace the fuse(s).
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the main switch/immobilizer unit.
NG →
Properly connect or replace the wire har-
ness.
8-27
SIGNALING SYSTEM